Home / 25,655.08-38,502.78-13,174.60

Finding the Fourth Proportional to 25,655.08, 38,502.78 and 13,174.60

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Solution

The fourth proportional to 25,655.08, 38,502.78 and 13,174.60 is: 19,772.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,655.08 : 38,502.78 = 13,174.60 : x
  2. Step 2: Convert to fraction form
    25,655.08/38,502.78 = 13,174.60/x
  3. Step 3: Cross multiply
    25,655.08x = 38,502.78 × 13,174.60
  4. Step 4: Simplify right side
    25,655.08x = 507,258,725.39
  5. Step 5: Solve for x
    x = 507,258,725.39/25,655.08
  6. Step 6: Final answer
    x = 19,772.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.